Joint Angle Biofeedback

Immediate audio and visual feedback on joint movement motivates patients to reach treatment goals faster

The nCounters Essential Angle Sensor gives immediate audio and visual feedback on knee and elbow joint movement.

Designed and Made in Australia

Joint Angle Feedback

Joint Angle Control Unit

This portable device is easy to set up, simple and efficient to use daily during rehabilitation.

The Angle Sensor can facilitate functional training and improved joint control in various positions.


Elbow Angle Biofeedback
Elbow Angle Biofeedback
Angle Biofeedback Knee
Angle Biofeedback Knee

Easy to set up

The Angle Sensor is placed over the joint being trained and aligned with standard bony prominences. The metal stays are placed either side of the joint and secured in position by using coloured Velcro straps. The Angle Sensor is connected by a cable to a simple Control Unit. A belt clip attaches the Control Unit to the patient.

Recording and graphing data

DATAQ hardware and software will accept and record data from the nCounters Essential Angle Sensor.

See below for further information.

Elbow joint angle feedback

The Angle Sensor maybe used to provide feedback on elbow extension (such as for reaching) and flexion.


When the patient’s joint angle is between the upper and lower limit values as set on the dials at the side of the control unit, the patient will hear no sound. If the joint angle is outside these two limits then the patient will receive audio feedback via a speaker or headphone. The sound changes and increases in pitch the further away the patient gets from the target range.

Real time feedback is also provided by 10 coloured LED display.

Knee joint angle feedback

The Angle Sensor can be used to provide feedback on appropriate knee flexion or extension.

The Essential Angle Sensor can provide immediate feedback on knee hyperextension, another common problem encountered post acquired brain injury or orthopaedic surgery.


DATAQ hardware aDATAQ Biofeedback Unitnd software have been pre-configured to accept, record and save data from the nCounters Essential Angle Sensor.

 The DATAQ will display the data in real time so that the therapist and patient can monitor seated weight shift. The data will provide actionable information to optimize or improve clinical and research outcomes

Contact Us

Please contact us if you have any queries and we will respond to you as soon as possible.

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